./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-data-race.prp --file ../../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for data races Using default analysis Version 8393723b Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/config/TaipanReach.xml -i ../../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! data-race) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b7b2dab104eee1bd1f440bec4a0db415f1c26fa4fc41062d03a3a4935f69226f --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-8393723 [2022-11-19 07:48:13,625 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-19 07:48:13,628 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-19 07:48:13,664 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-19 07:48:13,665 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-19 07:48:13,666 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-19 07:48:13,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-19 07:48:13,670 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-19 07:48:13,671 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-19 07:48:13,673 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-19 07:48:13,674 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-19 07:48:13,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-19 07:48:13,676 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-19 07:48:13,677 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-19 07:48:13,678 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-19 07:48:13,680 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-19 07:48:13,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-19 07:48:13,682 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-19 07:48:13,684 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-19 07:48:13,687 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-19 07:48:13,689 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-19 07:48:13,690 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-19 07:48:13,692 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-19 07:48:13,693 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-19 07:48:13,697 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-19 07:48:13,698 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-19 07:48:13,698 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-19 07:48:13,699 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-19 07:48:13,700 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-19 07:48:13,702 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-19 07:48:13,702 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-19 07:48:13,703 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-19 07:48:13,704 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-19 07:48:13,705 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-19 07:48:13,707 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-19 07:48:13,707 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-19 07:48:13,708 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-19 07:48:13,709 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-19 07:48:13,709 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-19 07:48:13,710 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-19 07:48:13,711 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-19 07:48:13,712 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/config/svcomp-DataRace-32bit-Taipan_Default.epf [2022-11-19 07:48:13,737 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-19 07:48:13,738 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-19 07:48:13,739 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-19 07:48:13,739 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-19 07:48:13,740 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2022-11-19 07:48:13,740 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2022-11-19 07:48:13,740 INFO L138 SettingsManager]: * User list type=DISABLED [2022-11-19 07:48:13,741 INFO L136 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2022-11-19 07:48:13,741 INFO L138 SettingsManager]: * Explicit value domain=true [2022-11-19 07:48:13,741 INFO L138 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2022-11-19 07:48:13,741 INFO L138 SettingsManager]: * Octagon Domain=false [2022-11-19 07:48:13,742 INFO L138 SettingsManager]: * Abstract domain=CompoundDomain [2022-11-19 07:48:13,742 INFO L138 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2022-11-19 07:48:13,742 INFO L138 SettingsManager]: * Use the RCFG-of-the-future interface=true [2022-11-19 07:48:13,742 INFO L138 SettingsManager]: * Interval Domain=false [2022-11-19 07:48:13,743 INFO L136 SettingsManager]: Preferences of Sifa differ from their defaults: [2022-11-19 07:48:13,743 INFO L138 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2022-11-19 07:48:13,743 INFO L138 SettingsManager]: * Simplification Technique=POLY_PAC [2022-11-19 07:48:13,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-19 07:48:13,744 INFO L138 SettingsManager]: * sizeof long=4 [2022-11-19 07:48:13,745 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-19 07:48:13,745 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-19 07:48:13,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2022-11-19 07:48:13,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-19 07:48:13,746 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2022-11-19 07:48:13,746 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2022-11-19 07:48:13,746 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2022-11-19 07:48:13,746 INFO L138 SettingsManager]: * Check absence of data races in concurrent programs=true [2022-11-19 07:48:13,747 INFO L138 SettingsManager]: * sizeof long double=12 [2022-11-19 07:48:13,747 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-19 07:48:13,747 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-19 07:48:13,747 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2022-11-19 07:48:13,748 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-19 07:48:13,748 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2022-11-19 07:48:13,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:48:13,748 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-19 07:48:13,749 INFO L138 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2022-11-19 07:48:13,749 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2022-11-19 07:48:13,749 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2022-11-19 07:48:13,749 INFO L138 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2022-11-19 07:48:13,750 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2022-11-19 07:48:13,750 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2022-11-19 07:48:13,750 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2022-11-19 07:48:13,750 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! data-race) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b7b2dab104eee1bd1f440bec4a0db415f1c26fa4fc41062d03a3a4935f69226f [2022-11-19 07:48:14,075 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-19 07:48:14,098 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-19 07:48:14,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-19 07:48:14,103 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-19 07:48:14,104 INFO L275 PluginConnector]: CDTParser initialized [2022-11-19 07:48:14,105 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/../../sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i [2022-11-19 07:48:14,179 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/data/b482b08d7/5d1a657aa35d4cef97b724f88d10a3fd/FLAG1de77ffed [2022-11-19 07:48:14,891 INFO L306 CDTParser]: Found 1 translation units. [2022-11-19 07:48:14,892 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/sv-benchmarks/c/goblint-regression/04-mutex_10-ptrmunge_nr.i [2022-11-19 07:48:14,910 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/data/b482b08d7/5d1a657aa35d4cef97b724f88d10a3fd/FLAG1de77ffed [2022-11-19 07:48:15,141 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/data/b482b08d7/5d1a657aa35d4cef97b724f88d10a3fd [2022-11-19 07:48:15,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-19 07:48:15,153 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-19 07:48:15,154 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-19 07:48:15,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-19 07:48:15,159 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-19 07:48:15,161 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:15" (1/1) ... [2022-11-19 07:48:15,163 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@612bb8a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15, skipping insertion in model container [2022-11-19 07:48:15,163 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:48:15" (1/1) ... [2022-11-19 07:48:15,175 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-19 07:48:15,220 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-19 07:48:15,781 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:48:15,799 INFO L203 MainTranslator]: Completed pre-run [2022-11-19 07:48:15,894 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-19 07:48:15,943 INFO L208 MainTranslator]: Completed translation [2022-11-19 07:48:15,944 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15 WrapperNode [2022-11-19 07:48:15,944 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-19 07:48:15,945 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-19 07:48:15,945 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-19 07:48:15,945 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-19 07:48:15,954 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15" (1/1) ... [2022-11-19 07:48:15,977 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15" (1/1) ... [2022-11-19 07:48:16,005 INFO L138 Inliner]: procedures = 263, calls = 29, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 91 [2022-11-19 07:48:16,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-19 07:48:16,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-19 07:48:16,007 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-19 07:48:16,007 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-19 07:48:16,018 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15" (1/1) ... [2022-11-19 07:48:16,018 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15" (1/1) ... [2022-11-19 07:48:16,023 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15" (1/1) ... [2022-11-19 07:48:16,023 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15" (1/1) ... [2022-11-19 07:48:16,033 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15" (1/1) ... [2022-11-19 07:48:16,034 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15" (1/1) ... [2022-11-19 07:48:16,036 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15" (1/1) ... [2022-11-19 07:48:16,038 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15" (1/1) ... [2022-11-19 07:48:16,041 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-19 07:48:16,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-19 07:48:16,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-19 07:48:16,042 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-19 07:48:16,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15" (1/1) ... [2022-11-19 07:48:16,050 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2022-11-19 07:48:16,068 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/z3 [2022-11-19 07:48:16,086 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2022-11-19 07:48:16,105 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2022-11-19 07:48:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2022-11-19 07:48:16,134 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2022-11-19 07:48:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2022-11-19 07:48:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2022-11-19 07:48:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure #PthreadsMutexLock [2022-11-19 07:48:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2022-11-19 07:48:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure t_fun [2022-11-19 07:48:16,135 INFO L138 BoogieDeclarations]: Found implementation of procedure t_fun [2022-11-19 07:48:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2022-11-19 07:48:16,135 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-19 07:48:16,136 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-19 07:48:16,137 WARN L209 CfgBuilder]: User set CodeBlockSize to LoopFreeBlock but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2022-11-19 07:48:16,375 INFO L235 CfgBuilder]: Building ICFG [2022-11-19 07:48:16,377 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-19 07:48:16,710 INFO L276 CfgBuilder]: Performing block encoding [2022-11-19 07:48:16,719 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-19 07:48:16,720 INFO L300 CfgBuilder]: Removed 0 assume(true) statements. [2022-11-19 07:48:16,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:16 BoogieIcfgContainer [2022-11-19 07:48:16,723 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-19 07:48:16,725 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2022-11-19 07:48:16,726 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2022-11-19 07:48:16,730 INFO L275 PluginConnector]: TraceAbstraction initialized [2022-11-19 07:48:16,731 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:48:15" (1/3) ... [2022-11-19 07:48:16,732 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5948ce79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:16, skipping insertion in model container [2022-11-19 07:48:16,732 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:48:15" (2/3) ... [2022-11-19 07:48:16,733 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5948ce79 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:48:16, skipping insertion in model container [2022-11-19 07:48:16,733 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:16" (3/3) ... [2022-11-19 07:48:16,735 INFO L112 eAbstractionObserver]: Analyzing ICFG 04-mutex_10-ptrmunge_nr.i [2022-11-19 07:48:16,745 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2022-11-19 07:48:16,757 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2022-11-19 07:48:16,758 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 5 error locations. [2022-11-19 07:48:16,758 INFO L515 ceAbstractionStarter]: Constructing petrified ICFG for 1 thread instances. [2022-11-19 07:48:16,904 INFO L144 ThreadInstanceAdder]: Constructed 1 joinOtherThreadTransitions. [2022-11-19 07:48:16,944 INFO L115 etLargeBlockEncoding]: Petri net LBE is using semantic-based independence relation. [2022-11-19 07:48:16,962 INFO L131 etLargeBlockEncoding]: Starting large block encoding on Petri net that has 110 places, 106 transitions, 220 flow [2022-11-19 07:48:16,966 INFO L113 LiptonReduction]: Starting Lipton reduction on Petri net that has 110 places, 106 transitions, 220 flow [2022-11-19 07:48:16,968 INFO L73 FinitePrefix]: Start finitePrefix. Operand has 110 places, 106 transitions, 220 flow [2022-11-19 07:48:17,087 INFO L130 PetriNetUnfolder]: 0/105 cut-off events. [2022-11-19 07:48:17,087 INFO L131 PetriNetUnfolder]: For 1/1 co-relation queries the response was YES. [2022-11-19 07:48:17,091 INFO L83 FinitePrefix]: Finished finitePrefix Result has 110 conditions, 105 events. 0/105 cut-off events. For 1/1 co-relation queries the response was YES. Maximal size of possible extension queue 4. Compared 68 event pairs, 0 based on Foata normal form. 0/100 useless extension candidates. Maximal degree in co-relation 0. Up to 2 conditions per place. [2022-11-19 07:48:17,095 INFO L119 LiptonReduction]: Number of co-enabled transitions 2030 [2022-11-19 07:48:21,397 INFO L134 LiptonReduction]: Checked pairs total: 11542 [2022-11-19 07:48:21,398 INFO L136 LiptonReduction]: Total number of compositions: 62 [2022-11-19 07:48:21,414 INFO L113 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 48 places, 44 transitions, 96 flow [2022-11-19 07:48:21,487 INFO L135 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:21,518 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2022-11-19 07:48:21,528 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@7f8308f7, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2022-11-19 07:48:21,528 INFO L358 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2022-11-19 07:48:21,534 INFO L276 IsEmpty]: Start isEmpty. Operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:21,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:48:21,541 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:21,542 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:21,542 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:21,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:21,550 INFO L85 PathProgramCache]: Analyzing trace with hash -1044541753, now seen corresponding path program 1 times [2022-11-19 07:48:21,562 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:21,563 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [85297466] [2022-11-19 07:48:21,563 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:21,564 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:21,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:22,270 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:22,270 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:22,271 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [85297466] [2022-11-19 07:48:22,271 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [85297466] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:22,272 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:22,272 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:48:22,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1050104336] [2022-11-19 07:48:22,274 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:22,279 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:48:22,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:22,308 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:48:22,309 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:48:22,312 INFO L87 Difference]: Start difference. First operand has 408 states, 397 states have (on average 1.9471032745591939) internal successors, (773), 407 states have internal predecessors, (773), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:22,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:22,852 INFO L93 Difference]: Finished difference Result 482 states and 915 transitions. [2022-11-19 07:48:22,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:48:22,855 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-19 07:48:22,856 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:22,878 INFO L225 Difference]: With dead ends: 482 [2022-11-19 07:48:22,879 INFO L226 Difference]: Without dead ends: 482 [2022-11-19 07:48:22,880 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:48:22,883 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 318 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 357 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 318 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:22,884 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 23 Invalid, 357 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 318 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:48:22,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2022-11-19 07:48:22,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 454. [2022-11-19 07:48:22,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 454 states, 444 states have (on average 1.9391891891891893) internal successors, (861), 453 states have internal predecessors, (861), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:22,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 454 states and 861 transitions. [2022-11-19 07:48:22,951 INFO L78 Accepts]: Start accepts. Automaton has 454 states and 861 transitions. Word has length 9 [2022-11-19 07:48:22,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:22,951 INFO L495 AbstractCegarLoop]: Abstraction has 454 states and 861 transitions. [2022-11-19 07:48:22,952 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:22,952 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 861 transitions. [2022-11-19 07:48:22,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2022-11-19 07:48:22,953 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:22,953 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:22,953 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2022-11-19 07:48:22,954 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:22,954 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:22,955 INFO L85 PathProgramCache]: Analyzing trace with hash 904647207, now seen corresponding path program 1 times [2022-11-19 07:48:22,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:22,955 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [569158582] [2022-11-19 07:48:22,955 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:22,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:23,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:23,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:23,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [569158582] [2022-11-19 07:48:23,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [569158582] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:23,245 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:23,246 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:48:23,246 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015250776] [2022-11-19 07:48:23,246 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:23,249 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:48:23,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:23,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:48:23,252 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:48:23,252 INFO L87 Difference]: Start difference. First operand 454 states and 861 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:23,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:23,574 INFO L93 Difference]: Finished difference Result 487 states and 921 transitions. [2022-11-19 07:48:23,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:48:23,575 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2022-11-19 07:48:23,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:23,577 INFO L225 Difference]: With dead ends: 487 [2022-11-19 07:48:23,577 INFO L226 Difference]: Without dead ends: 487 [2022-11-19 07:48:23,578 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:48:23,579 INFO L413 NwaCegarLoop]: 23 mSDtfsCounter, 32 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:23,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 23 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:48:23,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 487 states. [2022-11-19 07:48:23,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 487 to 473. [2022-11-19 07:48:23,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 473 states, 463 states have (on average 1.9330453563714902) internal successors, (895), 472 states have internal predecessors, (895), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:23,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 473 states and 895 transitions. [2022-11-19 07:48:23,602 INFO L78 Accepts]: Start accepts. Automaton has 473 states and 895 transitions. Word has length 9 [2022-11-19 07:48:23,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:23,603 INFO L495 AbstractCegarLoop]: Abstraction has 473 states and 895 transitions. [2022-11-19 07:48:23,603 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:23,603 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 895 transitions. [2022-11-19 07:48:23,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 07:48:23,604 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:23,604 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:23,605 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2022-11-19 07:48:23,605 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:23,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:23,605 INFO L85 PathProgramCache]: Analyzing trace with hash -1366560708, now seen corresponding path program 1 times [2022-11-19 07:48:23,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:23,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [19654326] [2022-11-19 07:48:23,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:23,606 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:23,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:23,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:23,841 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:23,842 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [19654326] [2022-11-19 07:48:23,842 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [19654326] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:23,842 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:23,842 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:48:23,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1578090694] [2022-11-19 07:48:23,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:23,843 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:48:23,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:23,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:48:23,844 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:48:23,844 INFO L87 Difference]: Start difference. First operand 473 states and 895 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:24,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:24,215 INFO L93 Difference]: Finished difference Result 576 states and 1095 transitions. [2022-11-19 07:48:24,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:48:24,216 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-19 07:48:24,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:24,220 INFO L225 Difference]: With dead ends: 576 [2022-11-19 07:48:24,221 INFO L226 Difference]: Without dead ends: 563 [2022-11-19 07:48:24,221 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:48:24,222 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 46 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 330 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 336 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 330 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:24,223 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 25 Invalid, 336 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 330 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:48:24,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 563 states. [2022-11-19 07:48:24,240 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 563 to 540. [2022-11-19 07:48:24,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 540 states, 530 states have (on average 1.9320754716981132) internal successors, (1024), 539 states have internal predecessors, (1024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:24,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 540 states and 1024 transitions. [2022-11-19 07:48:24,245 INFO L78 Accepts]: Start accepts. Automaton has 540 states and 1024 transitions. Word has length 15 [2022-11-19 07:48:24,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:24,245 INFO L495 AbstractCegarLoop]: Abstraction has 540 states and 1024 transitions. [2022-11-19 07:48:24,245 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:24,246 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 1024 transitions. [2022-11-19 07:48:24,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2022-11-19 07:48:24,247 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:24,247 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:24,247 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2022-11-19 07:48:24,248 INFO L420 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:24,248 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:24,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1510940194, now seen corresponding path program 1 times [2022-11-19 07:48:24,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:24,249 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747742940] [2022-11-19 07:48:24,249 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:24,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:24,500 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:24,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:24,501 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747742940] [2022-11-19 07:48:24,501 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747742940] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:24,501 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:24,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:48:24,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [275545206] [2022-11-19 07:48:24,502 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:24,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:48:24,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:24,503 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:48:24,503 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:48:24,503 INFO L87 Difference]: Start difference. First operand 540 states and 1024 transitions. Second operand has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:24,766 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:24,766 INFO L93 Difference]: Finished difference Result 611 states and 1161 transitions. [2022-11-19 07:48:24,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:48:24,767 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2022-11-19 07:48:24,767 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:24,770 INFO L225 Difference]: With dead ends: 611 [2022-11-19 07:48:24,770 INFO L226 Difference]: Without dead ends: 611 [2022-11-19 07:48:24,770 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:48:24,771 INFO L413 NwaCegarLoop]: 24 mSDtfsCounter, 34 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 257 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 24 SdHoareTripleChecker+Invalid, 263 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 257 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:24,772 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 24 Invalid, 263 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 257 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:48:24,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 611 states. [2022-11-19 07:48:24,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 611 to 591. [2022-11-19 07:48:24,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 591 states, 581 states have (on average 1.9311531841652323) internal successors, (1122), 590 states have internal predecessors, (1122), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:24,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 591 states and 1122 transitions. [2022-11-19 07:48:24,811 INFO L78 Accepts]: Start accepts. Automaton has 591 states and 1122 transitions. Word has length 15 [2022-11-19 07:48:24,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:24,812 INFO L495 AbstractCegarLoop]: Abstraction has 591 states and 1122 transitions. [2022-11-19 07:48:24,812 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.0) internal successors, (15), 6 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:24,813 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 1122 transitions. [2022-11-19 07:48:24,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:24,820 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:24,820 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:24,820 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2022-11-19 07:48:24,820 INFO L420 AbstractCegarLoop]: === Iteration 5 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:24,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:24,821 INFO L85 PathProgramCache]: Analyzing trace with hash 787236434, now seen corresponding path program 1 times [2022-11-19 07:48:24,822 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:24,822 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363911382] [2022-11-19 07:48:24,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:24,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:24,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:25,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:25,260 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:25,260 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363911382] [2022-11-19 07:48:25,261 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363911382] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:25,261 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:25,261 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:25,261 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044336679] [2022-11-19 07:48:25,261 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:25,261 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:25,262 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:25,262 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:25,262 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:25,262 INFO L87 Difference]: Start difference. First operand 591 states and 1122 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:26,092 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:26,092 INFO L93 Difference]: Finished difference Result 647 states and 1233 transitions. [2022-11-19 07:48:26,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:48:26,093 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:26,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:26,096 INFO L225 Difference]: With dead ends: 647 [2022-11-19 07:48:26,096 INFO L226 Difference]: Without dead ends: 647 [2022-11-19 07:48:26,097 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2022-11-19 07:48:26,098 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 141 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 654 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 686 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 654 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:26,098 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 45 Invalid, 686 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 654 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:48:26,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 647 states. [2022-11-19 07:48:26,115 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 647 to 603. [2022-11-19 07:48:26,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 603 states, 593 states have (on average 1.9325463743676223) internal successors, (1146), 602 states have internal predecessors, (1146), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:26,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 603 states and 1146 transitions. [2022-11-19 07:48:26,120 INFO L78 Accepts]: Start accepts. Automaton has 603 states and 1146 transitions. Word has length 18 [2022-11-19 07:48:26,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:26,121 INFO L495 AbstractCegarLoop]: Abstraction has 603 states and 1146 transitions. [2022-11-19 07:48:26,121 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:26,121 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 1146 transitions. [2022-11-19 07:48:26,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:26,122 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:26,122 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:26,122 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2022-11-19 07:48:26,123 INFO L420 AbstractCegarLoop]: === Iteration 6 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:26,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:26,123 INFO L85 PathProgramCache]: Analyzing trace with hash 848903804, now seen corresponding path program 2 times [2022-11-19 07:48:26,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:26,124 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1293096875] [2022-11-19 07:48:26,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:26,124 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:26,605 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:26,605 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:26,606 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1293096875] [2022-11-19 07:48:26,606 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1293096875] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:26,606 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:26,606 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:26,607 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399365385] [2022-11-19 07:48:26,607 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:26,607 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:26,607 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:26,609 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:26,609 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:26,609 INFO L87 Difference]: Start difference. First operand 603 states and 1146 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:27,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:27,434 INFO L93 Difference]: Finished difference Result 697 states and 1333 transitions. [2022-11-19 07:48:27,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:27,435 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:27,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:27,439 INFO L225 Difference]: With dead ends: 697 [2022-11-19 07:48:27,439 INFO L226 Difference]: Without dead ends: 697 [2022-11-19 07:48:27,439 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:27,440 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 142 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 689 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:27,440 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 45 Invalid, 689 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:48:27,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2022-11-19 07:48:27,460 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 622. [2022-11-19 07:48:27,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 622 states, 612 states have (on average 1.9362745098039216) internal successors, (1185), 621 states have internal predecessors, (1185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:27,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 622 states and 1185 transitions. [2022-11-19 07:48:27,466 INFO L78 Accepts]: Start accepts. Automaton has 622 states and 1185 transitions. Word has length 18 [2022-11-19 07:48:27,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:27,466 INFO L495 AbstractCegarLoop]: Abstraction has 622 states and 1185 transitions. [2022-11-19 07:48:27,466 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:27,467 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 1185 transitions. [2022-11-19 07:48:27,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:27,468 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:27,468 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:27,468 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2022-11-19 07:48:27,468 INFO L420 AbstractCegarLoop]: === Iteration 7 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:27,469 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:27,469 INFO L85 PathProgramCache]: Analyzing trace with hash -1506669392, now seen corresponding path program 3 times [2022-11-19 07:48:27,469 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:27,470 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [133867380] [2022-11-19 07:48:27,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:27,470 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:27,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:27,916 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:27,916 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:27,916 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [133867380] [2022-11-19 07:48:27,916 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [133867380] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:27,917 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:27,917 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:27,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2117176336] [2022-11-19 07:48:27,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:27,918 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:27,919 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:27,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:27,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:27,920 INFO L87 Difference]: Start difference. First operand 622 states and 1185 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:28,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:28,853 INFO L93 Difference]: Finished difference Result 747 states and 1433 transitions. [2022-11-19 07:48:28,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:28,854 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:28,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:28,858 INFO L225 Difference]: With dead ends: 747 [2022-11-19 07:48:28,859 INFO L226 Difference]: Without dead ends: 747 [2022-11-19 07:48:28,859 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:28,860 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 138 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 737 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 781 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 737 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:28,860 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 45 Invalid, 781 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [44 Valid, 737 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 07:48:28,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 747 states. [2022-11-19 07:48:28,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 747 to 641. [2022-11-19 07:48:28,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 631 states have (on average 1.9397781299524564) internal successors, (1224), 640 states have internal predecessors, (1224), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:28,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 1224 transitions. [2022-11-19 07:48:28,901 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 1224 transitions. Word has length 18 [2022-11-19 07:48:28,901 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:28,901 INFO L495 AbstractCegarLoop]: Abstraction has 641 states and 1224 transitions. [2022-11-19 07:48:28,902 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:28,902 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 1224 transitions. [2022-11-19 07:48:28,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:28,903 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:28,903 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:28,904 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2022-11-19 07:48:28,904 INFO L420 AbstractCegarLoop]: === Iteration 8 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:28,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:28,905 INFO L85 PathProgramCache]: Analyzing trace with hash -656119906, now seen corresponding path program 4 times [2022-11-19 07:48:28,905 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:28,905 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1547804831] [2022-11-19 07:48:28,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:28,906 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:29,296 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:29,297 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:29,297 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1547804831] [2022-11-19 07:48:29,297 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1547804831] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:29,297 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:29,300 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:29,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2017596319] [2022-11-19 07:48:29,300 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:29,301 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:29,301 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:29,301 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:29,302 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:29,302 INFO L87 Difference]: Start difference. First operand 641 states and 1224 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:30,101 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:30,101 INFO L93 Difference]: Finished difference Result 797 states and 1533 transitions. [2022-11-19 07:48:30,103 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:30,104 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:30,104 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:30,108 INFO L225 Difference]: With dead ends: 797 [2022-11-19 07:48:30,109 INFO L226 Difference]: Without dead ends: 797 [2022-11-19 07:48:30,109 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:30,110 INFO L413 NwaCegarLoop]: 31 mSDtfsCounter, 146 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 664 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 727 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 664 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:30,111 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 45 Invalid, 727 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 664 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:48:30,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 797 states. [2022-11-19 07:48:30,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 797 to 660. [2022-11-19 07:48:30,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 660 states, 650 states have (on average 1.9430769230769231) internal successors, (1263), 659 states have internal predecessors, (1263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:30,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 660 states to 660 states and 1263 transitions. [2022-11-19 07:48:30,132 INFO L78 Accepts]: Start accepts. Automaton has 660 states and 1263 transitions. Word has length 18 [2022-11-19 07:48:30,133 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:30,133 INFO L495 AbstractCegarLoop]: Abstraction has 660 states and 1263 transitions. [2022-11-19 07:48:30,133 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:30,133 INFO L276 IsEmpty]: Start isEmpty. Operand 660 states and 1263 transitions. [2022-11-19 07:48:30,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:30,134 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:30,134 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:30,134 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2022-11-19 07:48:30,135 INFO L420 AbstractCegarLoop]: === Iteration 9 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:30,135 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:30,135 INFO L85 PathProgramCache]: Analyzing trace with hash 796417038, now seen corresponding path program 5 times [2022-11-19 07:48:30,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:30,136 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537692178] [2022-11-19 07:48:30,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:30,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:30,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:30,482 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:30,482 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:30,483 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537692178] [2022-11-19 07:48:30,483 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537692178] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:30,483 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:30,483 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:30,483 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1900723933] [2022-11-19 07:48:30,484 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:30,484 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:30,484 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:30,485 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:30,485 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:30,485 INFO L87 Difference]: Start difference. First operand 660 states and 1263 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:31,250 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:31,250 INFO L93 Difference]: Finished difference Result 1243 states and 2368 transitions. [2022-11-19 07:48:31,250 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:31,251 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:31,251 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:31,256 INFO L225 Difference]: With dead ends: 1243 [2022-11-19 07:48:31,257 INFO L226 Difference]: Without dead ends: 1243 [2022-11-19 07:48:31,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:31,259 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 182 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 599 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 182 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 599 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:31,259 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [182 Valid, 45 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 599 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 07:48:31,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1243 states. [2022-11-19 07:48:31,283 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1243 to 784. [2022-11-19 07:48:31,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 784 states, 774 states have (on average 1.9612403100775193) internal successors, (1518), 783 states have internal predecessors, (1518), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:31,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 784 states to 784 states and 1518 transitions. [2022-11-19 07:48:31,289 INFO L78 Accepts]: Start accepts. Automaton has 784 states and 1518 transitions. Word has length 18 [2022-11-19 07:48:31,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:31,290 INFO L495 AbstractCegarLoop]: Abstraction has 784 states and 1518 transitions. [2022-11-19 07:48:31,290 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:31,291 INFO L276 IsEmpty]: Start isEmpty. Operand 784 states and 1518 transitions. [2022-11-19 07:48:31,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:31,292 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:31,292 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:31,292 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2022-11-19 07:48:31,292 INFO L420 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:31,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:31,293 INFO L85 PathProgramCache]: Analyzing trace with hash -1732101715, now seen corresponding path program 1 times [2022-11-19 07:48:31,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:31,293 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [775356960] [2022-11-19 07:48:31,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:31,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:31,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:31,588 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:31,588 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:31,588 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [775356960] [2022-11-19 07:48:31,589 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [775356960] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:31,589 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:31,589 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:31,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279041985] [2022-11-19 07:48:31,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:31,590 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:31,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:31,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:31,591 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:31,591 INFO L87 Difference]: Start difference. First operand 784 states and 1518 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:32,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:32,415 INFO L93 Difference]: Finished difference Result 1078 states and 2039 transitions. [2022-11-19 07:48:32,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-19 07:48:32,416 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:32,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:32,421 INFO L225 Difference]: With dead ends: 1078 [2022-11-19 07:48:32,421 INFO L226 Difference]: Without dead ends: 1078 [2022-11-19 07:48:32,422 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-11-19 07:48:32,422 INFO L413 NwaCegarLoop]: 16 mSDtfsCounter, 194 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 588 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 194 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 588 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:32,424 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [194 Valid, 36 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 588 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 07:48:32,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1078 states. [2022-11-19 07:48:32,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1078 to 768. [2022-11-19 07:48:32,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 768 states, 758 states have (on average 1.9551451187335092) internal successors, (1482), 767 states have internal predecessors, (1482), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:32,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 768 states and 1482 transitions. [2022-11-19 07:48:32,451 INFO L78 Accepts]: Start accepts. Automaton has 768 states and 1482 transitions. Word has length 18 [2022-11-19 07:48:32,451 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:32,452 INFO L495 AbstractCegarLoop]: Abstraction has 768 states and 1482 transitions. [2022-11-19 07:48:32,452 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:32,452 INFO L276 IsEmpty]: Start isEmpty. Operand 768 states and 1482 transitions. [2022-11-19 07:48:32,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:32,453 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:32,453 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:32,454 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2022-11-19 07:48:32,454 INFO L420 AbstractCegarLoop]: === Iteration 11 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:32,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:32,455 INFO L85 PathProgramCache]: Analyzing trace with hash -1294736033, now seen corresponding path program 1 times [2022-11-19 07:48:32,455 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:32,455 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [849303724] [2022-11-19 07:48:32,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:32,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:32,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:32,908 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:32,908 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [849303724] [2022-11-19 07:48:32,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [849303724] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:32,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:32,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:32,909 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [995313584] [2022-11-19 07:48:32,909 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:32,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:32,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:32,910 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:32,910 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:32,911 INFO L87 Difference]: Start difference. First operand 768 states and 1482 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:33,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:33,632 INFO L93 Difference]: Finished difference Result 871 states and 1682 transitions. [2022-11-19 07:48:33,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:48:33,632 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:33,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:33,637 INFO L225 Difference]: With dead ends: 871 [2022-11-19 07:48:33,638 INFO L226 Difference]: Without dead ends: 870 [2022-11-19 07:48:33,638 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2022-11-19 07:48:33,639 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 158 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 559 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:33,639 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 44 Invalid, 559 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 07:48:33,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 870 states. [2022-11-19 07:48:33,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 870 to 780. [2022-11-19 07:48:33,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 780 states, 770 states have (on average 1.955844155844156) internal successors, (1506), 779 states have internal predecessors, (1506), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:33,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 780 states and 1506 transitions. [2022-11-19 07:48:33,671 INFO L78 Accepts]: Start accepts. Automaton has 780 states and 1506 transitions. Word has length 18 [2022-11-19 07:48:33,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:33,671 INFO L495 AbstractCegarLoop]: Abstraction has 780 states and 1506 transitions. [2022-11-19 07:48:33,671 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:33,672 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1506 transitions. [2022-11-19 07:48:33,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:33,673 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:33,673 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:33,674 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2022-11-19 07:48:33,674 INFO L420 AbstractCegarLoop]: === Iteration 12 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:33,674 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:33,675 INFO L85 PathProgramCache]: Analyzing trace with hash 25600793, now seen corresponding path program 2 times [2022-11-19 07:48:33,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:33,675 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [779270734] [2022-11-19 07:48:33,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:33,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:34,086 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:34,086 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:34,087 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [779270734] [2022-11-19 07:48:34,087 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [779270734] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:34,087 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:34,087 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:34,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1413464471] [2022-11-19 07:48:34,088 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:34,088 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:34,088 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:34,089 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:34,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:34,089 INFO L87 Difference]: Start difference. First operand 780 states and 1506 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:34,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:34,804 INFO L93 Difference]: Finished difference Result 927 states and 1792 transitions. [2022-11-19 07:48:34,805 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:34,805 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:34,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:34,809 INFO L225 Difference]: With dead ends: 927 [2022-11-19 07:48:34,809 INFO L226 Difference]: Without dead ends: 925 [2022-11-19 07:48:34,810 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:34,810 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 172 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 489 mSolverCounterSat, 96 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 585 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 96 IncrementalHoareTripleChecker+Valid, 489 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:34,811 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 44 Invalid, 585 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [96 Valid, 489 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 07:48:34,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2022-11-19 07:48:34,832 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 795. [2022-11-19 07:48:34,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 785 states have (on average 1.956687898089172) internal successors, (1536), 794 states have internal predecessors, (1536), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:34,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1536 transitions. [2022-11-19 07:48:34,836 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1536 transitions. Word has length 18 [2022-11-19 07:48:34,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:34,837 INFO L495 AbstractCegarLoop]: Abstraction has 795 states and 1536 transitions. [2022-11-19 07:48:34,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:34,837 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1536 transitions. [2022-11-19 07:48:34,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:34,839 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:34,839 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:34,839 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2022-11-19 07:48:34,839 INFO L420 AbstractCegarLoop]: === Iteration 13 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:34,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:34,840 INFO L85 PathProgramCache]: Analyzing trace with hash -67596483, now seen corresponding path program 3 times [2022-11-19 07:48:34,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:34,840 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1820443464] [2022-11-19 07:48:34,841 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:34,841 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:34,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:35,274 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:35,274 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:35,274 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1820443464] [2022-11-19 07:48:35,276 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1820443464] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:35,276 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:35,276 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:35,276 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [308965844] [2022-11-19 07:48:35,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:35,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:35,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:35,277 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:35,278 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:35,278 INFO L87 Difference]: Start difference. First operand 795 states and 1536 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:36,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:36,186 INFO L93 Difference]: Finished difference Result 978 states and 1892 transitions. [2022-11-19 07:48:36,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:36,187 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:36,187 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:36,192 INFO L225 Difference]: With dead ends: 978 [2022-11-19 07:48:36,192 INFO L226 Difference]: Without dead ends: 975 [2022-11-19 07:48:36,193 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:36,194 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 150 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 795 mSolverCounterSat, 84 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 879 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 84 IncrementalHoareTripleChecker+Valid, 795 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:36,194 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 44 Invalid, 879 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [84 Valid, 795 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2022-11-19 07:48:36,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 975 states. [2022-11-19 07:48:36,216 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 975 to 810. [2022-11-19 07:48:36,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 810 states, 800 states have (on average 1.9575) internal successors, (1566), 809 states have internal predecessors, (1566), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:36,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 810 states and 1566 transitions. [2022-11-19 07:48:36,221 INFO L78 Accepts]: Start accepts. Automaton has 810 states and 1566 transitions. Word has length 18 [2022-11-19 07:48:36,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:36,221 INFO L495 AbstractCegarLoop]: Abstraction has 810 states and 1566 transitions. [2022-11-19 07:48:36,222 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:36,222 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1566 transitions. [2022-11-19 07:48:36,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:36,223 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:36,223 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:36,224 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2022-11-19 07:48:36,224 INFO L420 AbstractCegarLoop]: === Iteration 14 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:36,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:36,225 INFO L85 PathProgramCache]: Analyzing trace with hash 915769531, now seen corresponding path program 4 times [2022-11-19 07:48:36,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:36,225 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [944615310] [2022-11-19 07:48:36,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:36,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:36,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:36,631 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:36,632 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:36,632 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [944615310] [2022-11-19 07:48:36,632 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [944615310] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:36,632 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:36,632 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:36,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826557758] [2022-11-19 07:48:36,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:36,633 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:36,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:36,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:36,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:36,634 INFO L87 Difference]: Start difference. First operand 810 states and 1566 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:37,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:37,260 INFO L93 Difference]: Finished difference Result 1029 states and 1992 transitions. [2022-11-19 07:48:37,261 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:37,261 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:37,261 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:37,265 INFO L225 Difference]: With dead ends: 1029 [2022-11-19 07:48:37,265 INFO L226 Difference]: Without dead ends: 1025 [2022-11-19 07:48:37,266 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:37,266 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 160 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 502 mSolverCounterSat, 99 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 99 IncrementalHoareTripleChecker+Valid, 502 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:37,267 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 43 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [99 Valid, 502 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:48:37,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1025 states. [2022-11-19 07:48:37,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1025 to 825. [2022-11-19 07:48:37,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 825 states, 815 states have (on average 1.958282208588957) internal successors, (1596), 824 states have internal predecessors, (1596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:37,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 825 states to 825 states and 1596 transitions. [2022-11-19 07:48:37,291 INFO L78 Accepts]: Start accepts. Automaton has 825 states and 1596 transitions. Word has length 18 [2022-11-19 07:48:37,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:37,292 INFO L495 AbstractCegarLoop]: Abstraction has 825 states and 1596 transitions. [2022-11-19 07:48:37,292 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:37,292 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1596 transitions. [2022-11-19 07:48:37,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:37,293 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:37,294 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:37,294 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2022-11-19 07:48:37,294 INFO L420 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:37,294 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:37,295 INFO L85 PathProgramCache]: Analyzing trace with hash -533954543, now seen corresponding path program 1 times [2022-11-19 07:48:37,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:37,295 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [89459501] [2022-11-19 07:48:37,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:37,295 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:37,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:37,581 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:37,581 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [89459501] [2022-11-19 07:48:37,581 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [89459501] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:37,581 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:37,581 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:37,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788560815] [2022-11-19 07:48:37,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:37,582 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:37,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:37,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:37,583 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:37,583 INFO L87 Difference]: Start difference. First operand 825 states and 1596 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:38,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:38,135 INFO L93 Difference]: Finished difference Result 1094 states and 2077 transitions. [2022-11-19 07:48:38,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 07:48:38,135 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:38,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:38,140 INFO L225 Difference]: With dead ends: 1094 [2022-11-19 07:48:38,140 INFO L226 Difference]: Without dead ends: 1094 [2022-11-19 07:48:38,140 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-11-19 07:48:38,141 INFO L413 NwaCegarLoop]: 22 mSDtfsCounter, 160 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 457 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 496 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 457 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:38,141 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 47 Invalid, 496 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 457 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:48:38,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2022-11-19 07:48:38,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 795. [2022-11-19 07:48:38,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 795 states, 785 states have (on average 1.954140127388535) internal successors, (1534), 794 states have internal predecessors, (1534), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:38,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 795 states to 795 states and 1534 transitions. [2022-11-19 07:48:38,166 INFO L78 Accepts]: Start accepts. Automaton has 795 states and 1534 transitions. Word has length 18 [2022-11-19 07:48:38,166 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:38,166 INFO L495 AbstractCegarLoop]: Abstraction has 795 states and 1534 transitions. [2022-11-19 07:48:38,166 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:38,167 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 1534 transitions. [2022-11-19 07:48:38,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:38,168 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:38,168 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:38,168 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2022-11-19 07:48:38,168 INFO L420 AbstractCegarLoop]: === Iteration 16 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:38,169 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:38,169 INFO L85 PathProgramCache]: Analyzing trace with hash 1949823327, now seen corresponding path program 5 times [2022-11-19 07:48:38,169 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:38,169 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349787469] [2022-11-19 07:48:38,169 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:38,170 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:38,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:38,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:38,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:38,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349787469] [2022-11-19 07:48:38,476 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349787469] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:38,476 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:38,476 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:38,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [625924242] [2022-11-19 07:48:38,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:38,479 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:38,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:38,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:38,480 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:38,480 INFO L87 Difference]: Start difference. First operand 795 states and 1534 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:39,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:39,137 INFO L93 Difference]: Finished difference Result 1065 states and 2019 transitions. [2022-11-19 07:48:39,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:39,138 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:39,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:39,142 INFO L225 Difference]: With dead ends: 1065 [2022-11-19 07:48:39,142 INFO L226 Difference]: Without dead ends: 1061 [2022-11-19 07:48:39,142 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:39,143 INFO L413 NwaCegarLoop]: 21 mSDtfsCounter, 180 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 488 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 180 SdHoareTripleChecker+Valid, 46 SdHoareTripleChecker+Invalid, 571 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 488 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:39,143 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [180 Valid, 46 Invalid, 571 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 488 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:48:39,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1061 states. [2022-11-19 07:48:39,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1061 to 735. [2022-11-19 07:48:39,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 735 states, 725 states have (on average 1.9448275862068964) internal successors, (1410), 734 states have internal predecessors, (1410), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:39,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 735 states and 1410 transitions. [2022-11-19 07:48:39,167 INFO L78 Accepts]: Start accepts. Automaton has 735 states and 1410 transitions. Word has length 18 [2022-11-19 07:48:39,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:39,168 INFO L495 AbstractCegarLoop]: Abstraction has 735 states and 1410 transitions. [2022-11-19 07:48:39,168 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:39,169 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1410 transitions. [2022-11-19 07:48:39,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:39,170 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:39,170 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:39,170 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2022-11-19 07:48:39,171 INFO L420 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:39,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:39,178 INFO L85 PathProgramCache]: Analyzing trace with hash -334833119, now seen corresponding path program 2 times [2022-11-19 07:48:39,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:39,178 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520584447] [2022-11-19 07:48:39,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:39,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:39,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:39,499 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:39,500 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:39,500 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520584447] [2022-11-19 07:48:39,500 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520584447] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:39,500 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:39,501 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:39,501 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1141205133] [2022-11-19 07:48:39,501 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:39,502 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:39,502 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:39,502 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:39,502 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:39,503 INFO L87 Difference]: Start difference. First operand 735 states and 1410 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:40,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:40,132 INFO L93 Difference]: Finished difference Result 997 states and 1920 transitions. [2022-11-19 07:48:40,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:40,133 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:40,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:40,137 INFO L225 Difference]: With dead ends: 997 [2022-11-19 07:48:40,137 INFO L226 Difference]: Without dead ends: 997 [2022-11-19 07:48:40,137 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:40,138 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 133 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 514 mSolverCounterSat, 66 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 133 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 66 IncrementalHoareTripleChecker+Valid, 514 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:40,138 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [133 Valid, 34 Invalid, 580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [66 Valid, 514 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:48:40,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 997 states. [2022-11-19 07:48:40,155 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 997 to 792. [2022-11-19 07:48:40,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 782 states have (on average 1.9526854219948848) internal successors, (1527), 791 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:40,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1527 transitions. [2022-11-19 07:48:40,160 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1527 transitions. Word has length 18 [2022-11-19 07:48:40,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:40,160 INFO L495 AbstractCegarLoop]: Abstraction has 792 states and 1527 transitions. [2022-11-19 07:48:40,161 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:40,161 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1527 transitions. [2022-11-19 07:48:40,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:40,162 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:40,162 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:40,162 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2022-11-19 07:48:40,162 INFO L420 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:40,163 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:40,163 INFO L85 PathProgramCache]: Analyzing trace with hash -1158879919, now seen corresponding path program 3 times [2022-11-19 07:48:40,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:40,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1048906753] [2022-11-19 07:48:40,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:40,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:40,496 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:40,497 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:40,497 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1048906753] [2022-11-19 07:48:40,497 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1048906753] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:40,497 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:40,497 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:40,497 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209723792] [2022-11-19 07:48:40,497 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:40,498 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:40,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:40,498 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:40,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:40,499 INFO L87 Difference]: Start difference. First operand 792 states and 1527 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:41,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:41,028 INFO L93 Difference]: Finished difference Result 897 states and 1727 transitions. [2022-11-19 07:48:41,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:48:41,029 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:41,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:41,035 INFO L225 Difference]: With dead ends: 897 [2022-11-19 07:48:41,035 INFO L226 Difference]: Without dead ends: 897 [2022-11-19 07:48:41,035 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2022-11-19 07:48:41,036 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 127 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 407 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 455 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 407 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:41,036 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 34 Invalid, 455 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 407 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:48:41,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 897 states. [2022-11-19 07:48:41,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 897 to 792. [2022-11-19 07:48:41,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 782 states have (on average 1.9526854219948848) internal successors, (1527), 791 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:41,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1527 transitions. [2022-11-19 07:48:41,059 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1527 transitions. Word has length 18 [2022-11-19 07:48:41,059 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:41,059 INFO L495 AbstractCegarLoop]: Abstraction has 792 states and 1527 transitions. [2022-11-19 07:48:41,060 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:41,060 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1527 transitions. [2022-11-19 07:48:41,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:41,061 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:41,061 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:41,061 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2022-11-19 07:48:41,062 INFO L420 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:41,062 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:41,062 INFO L85 PathProgramCache]: Analyzing trace with hash -1049844859, now seen corresponding path program 4 times [2022-11-19 07:48:41,062 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:41,062 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494227271] [2022-11-19 07:48:41,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:41,063 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:41,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:41,452 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:41,452 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:41,452 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494227271] [2022-11-19 07:48:41,452 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494227271] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:41,452 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:41,452 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:41,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486348704] [2022-11-19 07:48:41,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:41,453 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:41,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:41,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:41,454 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:41,454 INFO L87 Difference]: Start difference. First operand 792 states and 1527 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:42,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:42,252 INFO L93 Difference]: Finished difference Result 945 states and 1821 transitions. [2022-11-19 07:48:42,252 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:42,252 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:42,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:42,257 INFO L225 Difference]: With dead ends: 945 [2022-11-19 07:48:42,257 INFO L226 Difference]: Without dead ends: 945 [2022-11-19 07:48:42,257 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:42,258 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 128 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 657 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 657 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:42,258 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 34 Invalid, 699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 657 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:48:42,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 945 states. [2022-11-19 07:48:42,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 945 to 792. [2022-11-19 07:48:42,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 782 states have (on average 1.9526854219948848) internal successors, (1527), 791 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:42,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1527 transitions. [2022-11-19 07:48:42,280 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1527 transitions. Word has length 18 [2022-11-19 07:48:42,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:42,280 INFO L495 AbstractCegarLoop]: Abstraction has 792 states and 1527 transitions. [2022-11-19 07:48:42,280 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:42,280 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1527 transitions. [2022-11-19 07:48:42,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:42,281 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:42,282 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:42,282 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2022-11-19 07:48:42,282 INFO L420 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:42,283 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:42,283 INFO L85 PathProgramCache]: Analyzing trace with hash -173113775, now seen corresponding path program 5 times [2022-11-19 07:48:42,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:42,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [99240574] [2022-11-19 07:48:42,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:42,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:42,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:42,614 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:42,614 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:42,614 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [99240574] [2022-11-19 07:48:42,614 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [99240574] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:42,614 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:42,614 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:42,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1883445325] [2022-11-19 07:48:42,615 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:42,615 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:42,615 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:42,615 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:42,616 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:42,616 INFO L87 Difference]: Start difference. First operand 792 states and 1527 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:43,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:43,310 INFO L93 Difference]: Finished difference Result 993 states and 1915 transitions. [2022-11-19 07:48:43,310 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:43,310 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:43,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:43,314 INFO L225 Difference]: With dead ends: 993 [2022-11-19 07:48:43,315 INFO L226 Difference]: Without dead ends: 993 [2022-11-19 07:48:43,316 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:43,318 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 134 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 593 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 646 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 593 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:43,318 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 34 Invalid, 646 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 593 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 07:48:43,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 993 states. [2022-11-19 07:48:43,341 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 993 to 792. [2022-11-19 07:48:43,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 792 states, 782 states have (on average 1.9526854219948848) internal successors, (1527), 791 states have internal predecessors, (1527), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:43,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 792 states to 792 states and 1527 transitions. [2022-11-19 07:48:43,359 INFO L78 Accepts]: Start accepts. Automaton has 792 states and 1527 transitions. Word has length 18 [2022-11-19 07:48:43,360 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:43,360 INFO L495 AbstractCegarLoop]: Abstraction has 792 states and 1527 transitions. [2022-11-19 07:48:43,360 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:43,360 INFO L276 IsEmpty]: Start isEmpty. Operand 792 states and 1527 transitions. [2022-11-19 07:48:43,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:43,361 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:43,361 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:43,362 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2022-11-19 07:48:43,362 INFO L420 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:43,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:43,363 INFO L85 PathProgramCache]: Analyzing trace with hash 775187729, now seen corresponding path program 6 times [2022-11-19 07:48:43,363 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:43,363 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562662808] [2022-11-19 07:48:43,363 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:43,363 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:43,681 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:43,681 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:43,681 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1562662808] [2022-11-19 07:48:43,681 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1562662808] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:43,681 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:43,681 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:43,681 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1499385507] [2022-11-19 07:48:43,682 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:43,682 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:43,682 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:43,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:43,682 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:43,683 INFO L87 Difference]: Start difference. First operand 792 states and 1527 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:44,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:44,290 INFO L93 Difference]: Finished difference Result 977 states and 1850 transitions. [2022-11-19 07:48:44,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:44,290 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:44,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:44,294 INFO L225 Difference]: With dead ends: 977 [2022-11-19 07:48:44,294 INFO L226 Difference]: Without dead ends: 977 [2022-11-19 07:48:44,295 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:44,295 INFO L413 NwaCegarLoop]: 29 mSDtfsCounter, 151 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 565 mSolverCounterSat, 49 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 44 SdHoareTripleChecker+Invalid, 614 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 49 IncrementalHoareTripleChecker+Valid, 565 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:44,296 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 44 Invalid, 614 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [49 Valid, 565 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:48:44,298 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2022-11-19 07:48:44,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 647. [2022-11-19 07:48:44,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 647 states, 640 states have (on average 1.9359375) internal successors, (1239), 646 states have internal predecessors, (1239), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:44,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 647 states and 1239 transitions. [2022-11-19 07:48:44,314 INFO L78 Accepts]: Start accepts. Automaton has 647 states and 1239 transitions. Word has length 18 [2022-11-19 07:48:44,314 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:44,314 INFO L495 AbstractCegarLoop]: Abstraction has 647 states and 1239 transitions. [2022-11-19 07:48:44,315 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:44,315 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 1239 transitions. [2022-11-19 07:48:44,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:44,316 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:44,316 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:44,316 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2022-11-19 07:48:44,317 INFO L420 AbstractCegarLoop]: === Iteration 22 === Targeting t_funErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:44,317 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:44,317 INFO L85 PathProgramCache]: Analyzing trace with hash -1036001697, now seen corresponding path program 6 times [2022-11-19 07:48:44,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:44,318 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [368589371] [2022-11-19 07:48:44,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:44,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:44,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:44,617 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:44,617 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:44,617 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [368589371] [2022-11-19 07:48:44,618 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [368589371] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:44,618 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:44,618 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:44,618 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2051232307] [2022-11-19 07:48:44,618 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:44,619 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:44,619 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:44,619 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:44,620 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:44,620 INFO L87 Difference]: Start difference. First operand 647 states and 1239 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:45,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:45,456 INFO L93 Difference]: Finished difference Result 836 states and 1576 transitions. [2022-11-19 07:48:45,456 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2022-11-19 07:48:45,456 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:45,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:45,460 INFO L225 Difference]: With dead ends: 836 [2022-11-19 07:48:45,460 INFO L226 Difference]: Without dead ends: 832 [2022-11-19 07:48:45,460 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-11-19 07:48:45,461 INFO L413 NwaCegarLoop]: 26 mSDtfsCounter, 146 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 776 mSolverCounterSat, 62 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 146 SdHoareTripleChecker+Valid, 40 SdHoareTripleChecker+Invalid, 838 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 62 IncrementalHoareTripleChecker+Valid, 776 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:45,461 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [146 Valid, 40 Invalid, 838 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [62 Valid, 776 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:48:45,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-11-19 07:48:45,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 582. [2022-11-19 07:48:45,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 582 states, 577 states have (on average 1.9324090121317157) internal successors, (1115), 581 states have internal predecessors, (1115), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:45,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 582 states and 1115 transitions. [2022-11-19 07:48:45,477 INFO L78 Accepts]: Start accepts. Automaton has 582 states and 1115 transitions. Word has length 18 [2022-11-19 07:48:45,478 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:45,478 INFO L495 AbstractCegarLoop]: Abstraction has 582 states and 1115 transitions. [2022-11-19 07:48:45,478 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:45,478 INFO L276 IsEmpty]: Start isEmpty. Operand 582 states and 1115 transitions. [2022-11-19 07:48:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:45,479 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:45,480 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:45,480 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2022-11-19 07:48:45,480 INFO L420 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:45,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:45,481 INFO L85 PathProgramCache]: Analyzing trace with hash 1319156277, now seen corresponding path program 2 times [2022-11-19 07:48:45,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:45,481 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139371096] [2022-11-19 07:48:45,481 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:45,481 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:45,877 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:45,878 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:45,878 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139371096] [2022-11-19 07:48:45,878 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139371096] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:45,878 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:45,878 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:45,878 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [453070491] [2022-11-19 07:48:45,878 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:45,879 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:45,879 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:45,879 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:45,879 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:45,879 INFO L87 Difference]: Start difference. First operand 582 states and 1115 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:46,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:46,462 INFO L93 Difference]: Finished difference Result 676 states and 1294 transitions. [2022-11-19 07:48:46,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:48:46,462 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:46,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:46,464 INFO L225 Difference]: With dead ends: 676 [2022-11-19 07:48:46,464 INFO L226 Difference]: Without dead ends: 676 [2022-11-19 07:48:46,464 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=85, Invalid=155, Unknown=0, NotChecked=0, Total=240 [2022-11-19 07:48:46,465 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 125 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 476 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:46,466 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 34 Invalid, 476 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:48:46,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 676 states. [2022-11-19 07:48:46,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 676 to 594. [2022-11-19 07:48:46,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 589 states have (on average 1.933786078098472) internal successors, (1139), 593 states have internal predecessors, (1139), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:46,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 1139 transitions. [2022-11-19 07:48:46,482 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 1139 transitions. Word has length 18 [2022-11-19 07:48:46,482 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:46,482 INFO L495 AbstractCegarLoop]: Abstraction has 594 states and 1139 transitions. [2022-11-19 07:48:46,483 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:46,483 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 1139 transitions. [2022-11-19 07:48:46,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:46,485 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:46,485 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:46,485 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2022-11-19 07:48:46,485 INFO L420 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:46,486 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:46,486 INFO L85 PathProgramCache]: Analyzing trace with hash -9541143, now seen corresponding path program 3 times [2022-11-19 07:48:46,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:46,486 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [677496454] [2022-11-19 07:48:46,487 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:46,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:46,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:46,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:46,929 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:46,929 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [677496454] [2022-11-19 07:48:46,929 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [677496454] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:46,929 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:46,929 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:46,930 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821398167] [2022-11-19 07:48:46,930 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:46,930 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:46,930 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:46,931 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:46,931 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:46,931 INFO L87 Difference]: Start difference. First operand 594 states and 1139 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:47,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:47,590 INFO L93 Difference]: Finished difference Result 719 states and 1378 transitions. [2022-11-19 07:48:47,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:47,591 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:47,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:47,594 INFO L225 Difference]: With dead ends: 719 [2022-11-19 07:48:47,594 INFO L226 Difference]: Without dead ends: 719 [2022-11-19 07:48:47,594 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=93, Invalid=179, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:47,595 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 125 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 510 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 125 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 556 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 510 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:47,595 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [125 Valid, 34 Invalid, 556 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 510 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:48:47,597 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 719 states. [2022-11-19 07:48:47,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 719 to 609. [2022-11-19 07:48:47,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 609 states, 604 states have (on average 1.935430463576159) internal successors, (1169), 608 states have internal predecessors, (1169), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:47,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 1169 transitions. [2022-11-19 07:48:47,610 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 1169 transitions. Word has length 18 [2022-11-19 07:48:47,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:47,611 INFO L495 AbstractCegarLoop]: Abstraction has 609 states and 1169 transitions. [2022-11-19 07:48:47,611 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:47,611 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 1169 transitions. [2022-11-19 07:48:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:47,612 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:47,612 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:47,613 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2022-11-19 07:48:47,613 INFO L420 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:47,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:47,614 INFO L85 PathProgramCache]: Analyzing trace with hash 978324207, now seen corresponding path program 4 times [2022-11-19 07:48:47,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:47,614 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122994218] [2022-11-19 07:48:47,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:47,614 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:47,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:48,032 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:48,033 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:48,033 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122994218] [2022-11-19 07:48:48,033 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2122994218] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:48,033 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:48,034 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:48,034 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1483530128] [2022-11-19 07:48:48,034 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:48,034 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:48,035 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:48,035 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:48,035 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=66, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:48,036 INFO L87 Difference]: Start difference. First operand 609 states and 1169 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:48,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:48,702 INFO L93 Difference]: Finished difference Result 757 states and 1452 transitions. [2022-11-19 07:48:48,703 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:48,703 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:48,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:48,707 INFO L225 Difference]: With dead ends: 757 [2022-11-19 07:48:48,707 INFO L226 Difference]: Without dead ends: 757 [2022-11-19 07:48:48,707 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:48,708 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 129 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 530 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 589 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:48,708 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 34 Invalid, 589 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 530 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 07:48:48,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 757 states. [2022-11-19 07:48:48,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 757 to 624. [2022-11-19 07:48:48,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 619 states have (on average 1.936995153473344) internal successors, (1199), 623 states have internal predecessors, (1199), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:48,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 1199 transitions. [2022-11-19 07:48:48,724 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 1199 transitions. Word has length 18 [2022-11-19 07:48:48,725 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:48,725 INFO L495 AbstractCegarLoop]: Abstraction has 624 states and 1199 transitions. [2022-11-19 07:48:48,725 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:48,725 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 1199 transitions. [2022-11-19 07:48:48,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:48,726 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:48,727 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:48,727 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2022-11-19 07:48:48,727 INFO L420 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:48,727 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:48,728 INFO L85 PathProgramCache]: Analyzing trace with hash -1819477243, now seen corresponding path program 5 times [2022-11-19 07:48:48,728 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:48,728 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547184158] [2022-11-19 07:48:48,728 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:48,728 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:49,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:49,113 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:49,113 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547184158] [2022-11-19 07:48:49,113 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547184158] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:49,114 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:49,114 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:49,114 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [208701222] [2022-11-19 07:48:49,114 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:49,114 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:49,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:49,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:49,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:49,116 INFO L87 Difference]: Start difference. First operand 624 states and 1199 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:49,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:49,772 INFO L93 Difference]: Finished difference Result 795 states and 1526 transitions. [2022-11-19 07:48:49,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:49,772 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:49,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:49,776 INFO L225 Difference]: With dead ends: 795 [2022-11-19 07:48:49,776 INFO L226 Difference]: Without dead ends: 795 [2022-11-19 07:48:49,777 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=89, Invalid=183, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:49,777 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 130 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 34 SdHoareTripleChecker+Invalid, 633 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:49,778 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 34 Invalid, 633 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [63 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:48:49,780 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 795 states. [2022-11-19 07:48:49,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 795 to 639. [2022-11-19 07:48:49,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 639 states, 634 states have (on average 1.9384858044164037) internal successors, (1229), 638 states have internal predecessors, (1229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:49,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 1229 transitions. [2022-11-19 07:48:49,793 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 1229 transitions. Word has length 18 [2022-11-19 07:48:49,794 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:49,794 INFO L495 AbstractCegarLoop]: Abstraction has 639 states and 1229 transitions. [2022-11-19 07:48:49,794 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:49,794 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 1229 transitions. [2022-11-19 07:48:49,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:49,795 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:49,795 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:49,796 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2022-11-19 07:48:49,796 INFO L420 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:49,796 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:49,797 INFO L85 PathProgramCache]: Analyzing trace with hash -1877152907, now seen corresponding path program 6 times [2022-11-19 07:48:49,797 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:49,797 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1159153031] [2022-11-19 07:48:49,797 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:49,797 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:49,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:50,169 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:50,169 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1159153031] [2022-11-19 07:48:50,169 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1159153031] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:50,169 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:50,169 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:50,169 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [301715270] [2022-11-19 07:48:50,169 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:50,170 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:50,170 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:50,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:50,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:50,171 INFO L87 Difference]: Start difference. First operand 639 states and 1229 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:50,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:50,688 INFO L93 Difference]: Finished difference Result 832 states and 1570 transitions. [2022-11-19 07:48:50,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:50,688 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:50,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:50,691 INFO L225 Difference]: With dead ends: 832 [2022-11-19 07:48:50,691 INFO L226 Difference]: Without dead ends: 832 [2022-11-19 07:48:50,692 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=90, Invalid=182, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:50,692 INFO L413 NwaCegarLoop]: 30 mSDtfsCounter, 142 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 541 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:50,692 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 45 Invalid, 541 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:48:50,694 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 832 states. [2022-11-19 07:48:50,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 832 to 544. [2022-11-19 07:48:50,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 544 states, 541 states have (on average 1.9297597042513863) internal successors, (1044), 543 states have internal predecessors, (1044), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:50,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 544 states and 1044 transitions. [2022-11-19 07:48:50,705 INFO L78 Accepts]: Start accepts. Automaton has 544 states and 1044 transitions. Word has length 18 [2022-11-19 07:48:50,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:50,705 INFO L495 AbstractCegarLoop]: Abstraction has 544 states and 1044 transitions. [2022-11-19 07:48:50,706 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:50,706 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 1044 transitions. [2022-11-19 07:48:50,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2022-11-19 07:48:50,707 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:50,707 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:50,707 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2022-11-19 07:48:50,707 INFO L420 AbstractCegarLoop]: === Iteration 28 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:50,707 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:50,708 INFO L85 PathProgramCache]: Analyzing trace with hash 2035269996, now seen corresponding path program 6 times [2022-11-19 07:48:50,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:50,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1454600961] [2022-11-19 07:48:50,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:50,708 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:50,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:50,952 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:50,952 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:50,952 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1454600961] [2022-11-19 07:48:50,952 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1454600961] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:50,953 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:50,953 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2022-11-19 07:48:50,953 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381357668] [2022-11-19 07:48:50,953 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:50,954 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2022-11-19 07:48:50,954 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:50,954 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2022-11-19 07:48:50,954 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:48:50,955 INFO L87 Difference]: Start difference. First operand 544 states and 1044 transitions. Second operand has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:51,661 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:51,661 INFO L93 Difference]: Finished difference Result 784 states and 1482 transitions. [2022-11-19 07:48:51,662 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2022-11-19 07:48:51,662 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 18 [2022-11-19 07:48:51,662 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:51,664 INFO L225 Difference]: With dead ends: 784 [2022-11-19 07:48:51,664 INFO L226 Difference]: Without dead ends: 784 [2022-11-19 07:48:51,665 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=177, Invalid=375, Unknown=0, NotChecked=0, Total=552 [2022-11-19 07:48:51,665 INFO L413 NwaCegarLoop]: 25 mSDtfsCounter, 155 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 597 mSolverCounterSat, 52 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 155 SdHoareTripleChecker+Valid, 37 SdHoareTripleChecker+Invalid, 649 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 52 IncrementalHoareTripleChecker+Valid, 597 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:51,668 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [155 Valid, 37 Invalid, 649 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [52 Valid, 597 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2022-11-19 07:48:51,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 784 states. [2022-11-19 07:48:51,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 784 to 347. [2022-11-19 07:48:51,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 347 states, 344 states have (on average 1.8895348837209303) internal successors, (650), 346 states have internal predecessors, (650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:51,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 347 states and 650 transitions. [2022-11-19 07:48:51,680 INFO L78 Accepts]: Start accepts. Automaton has 347 states and 650 transitions. Word has length 18 [2022-11-19 07:48:51,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:51,680 INFO L495 AbstractCegarLoop]: Abstraction has 347 states and 650 transitions. [2022-11-19 07:48:51,680 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 2.0) internal successors, (18), 9 states have internal predecessors, (18), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:51,681 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 650 transitions. [2022-11-19 07:48:51,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2022-11-19 07:48:51,681 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:51,682 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:51,682 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2022-11-19 07:48:51,682 INFO L420 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:51,682 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:51,683 INFO L85 PathProgramCache]: Analyzing trace with hash -1352272884, now seen corresponding path program 1 times [2022-11-19 07:48:51,683 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:51,683 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1028373132] [2022-11-19 07:48:51,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:51,683 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:51,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:51,909 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:51,909 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:51,909 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1028373132] [2022-11-19 07:48:51,909 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1028373132] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:51,909 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:51,909 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2022-11-19 07:48:51,910 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515560115] [2022-11-19 07:48:51,910 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:51,910 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2022-11-19 07:48:51,910 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:51,911 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2022-11-19 07:48:51,911 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:48:51,911 INFO L87 Difference]: Start difference. First operand 347 states and 650 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:52,120 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:52,121 INFO L93 Difference]: Finished difference Result 369 states and 683 transitions. [2022-11-19 07:48:52,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2022-11-19 07:48:52,121 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 22 [2022-11-19 07:48:52,121 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:52,122 INFO L225 Difference]: With dead ends: 369 [2022-11-19 07:48:52,122 INFO L226 Difference]: Without dead ends: 329 [2022-11-19 07:48:52,122 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2022-11-19 07:48:52,123 INFO L413 NwaCegarLoop]: 20 mSDtfsCounter, 31 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 20 SdHoareTripleChecker+Invalid, 239 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:52,124 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 20 Invalid, 239 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:48:52,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 329 states. [2022-11-19 07:48:52,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 329 to 325. [2022-11-19 07:48:52,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 322 states have (on average 1.8695652173913044) internal successors, (602), 324 states have internal predecessors, (602), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:52,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 602 transitions. [2022-11-19 07:48:52,131 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 602 transitions. Word has length 22 [2022-11-19 07:48:52,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:52,131 INFO L495 AbstractCegarLoop]: Abstraction has 325 states and 602 transitions. [2022-11-19 07:48:52,131 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:52,132 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 602 transitions. [2022-11-19 07:48:52,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:48:52,133 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:52,133 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:52,133 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2022-11-19 07:48:52,133 INFO L420 AbstractCegarLoop]: === Iteration 30 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:52,133 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:52,134 INFO L85 PathProgramCache]: Analyzing trace with hash 267783362, now seen corresponding path program 1 times [2022-11-19 07:48:52,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:52,134 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033139330] [2022-11-19 07:48:52,134 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:52,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:52,957 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:52,957 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:52,957 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033139330] [2022-11-19 07:48:52,957 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033139330] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:52,957 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:52,958 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:48:52,958 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1878395987] [2022-11-19 07:48:52,958 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:52,958 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:48:52,959 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:52,959 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:48:52,959 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:48:52,960 INFO L87 Difference]: Start difference. First operand 325 states and 602 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:53,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:53,710 INFO L93 Difference]: Finished difference Result 432 states and 773 transitions. [2022-11-19 07:48:53,712 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:48:53,712 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:48:53,712 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:53,713 INFO L225 Difference]: With dead ends: 432 [2022-11-19 07:48:53,713 INFO L226 Difference]: Without dead ends: 399 [2022-11-19 07:48:53,713 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:48:53,714 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 131 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 80 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 131 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 575 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 80 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:53,715 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [131 Valid, 27 Invalid, 575 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [80 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 07:48:53,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2022-11-19 07:48:53,720 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 344. [2022-11-19 07:48:53,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 344 states, 341 states have (on average 1.8563049853372433) internal successors, (633), 343 states have internal predecessors, (633), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:53,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 633 transitions. [2022-11-19 07:48:53,722 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 633 transitions. Word has length 31 [2022-11-19 07:48:53,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:53,723 INFO L495 AbstractCegarLoop]: Abstraction has 344 states and 633 transitions. [2022-11-19 07:48:53,723 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:53,723 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 633 transitions. [2022-11-19 07:48:53,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:48:53,724 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:53,724 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:53,725 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2022-11-19 07:48:53,725 INFO L420 AbstractCegarLoop]: === Iteration 31 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:53,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:53,726 INFO L85 PathProgramCache]: Analyzing trace with hash 1300179160, now seen corresponding path program 2 times [2022-11-19 07:48:53,726 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:53,726 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375693425] [2022-11-19 07:48:53,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:53,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:53,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:54,530 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:54,531 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:54,531 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1375693425] [2022-11-19 07:48:54,531 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1375693425] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:54,531 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:54,531 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:48:54,531 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [336506467] [2022-11-19 07:48:54,531 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:54,532 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:48:54,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:54,532 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:48:54,532 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:48:54,533 INFO L87 Difference]: Start difference. First operand 344 states and 633 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:55,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:55,374 INFO L93 Difference]: Finished difference Result 430 states and 773 transitions. [2022-11-19 07:48:55,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:55,375 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:48:55,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:55,376 INFO L225 Difference]: With dead ends: 430 [2022-11-19 07:48:55,377 INFO L226 Difference]: Without dead ends: 409 [2022-11-19 07:48:55,377 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=99, Invalid=207, Unknown=0, NotChecked=0, Total=306 [2022-11-19 07:48:55,378 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 134 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 632 mSolverCounterSat, 97 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 729 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 97 IncrementalHoareTripleChecker+Valid, 632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:55,378 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 27 Invalid, 729 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [97 Valid, 632 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:48:55,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 409 states. [2022-11-19 07:48:55,384 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 409 to 355. [2022-11-19 07:48:55,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 355 states, 352 states have (on average 1.8295454545454546) internal successors, (644), 354 states have internal predecessors, (644), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:55,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 355 states and 644 transitions. [2022-11-19 07:48:55,386 INFO L78 Accepts]: Start accepts. Automaton has 355 states and 644 transitions. Word has length 31 [2022-11-19 07:48:55,386 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:55,387 INFO L495 AbstractCegarLoop]: Abstraction has 355 states and 644 transitions. [2022-11-19 07:48:55,387 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:55,387 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 644 transitions. [2022-11-19 07:48:55,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:48:55,388 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:55,388 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:55,389 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30 [2022-11-19 07:48:55,389 INFO L420 AbstractCegarLoop]: === Iteration 32 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:55,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:55,389 INFO L85 PathProgramCache]: Analyzing trace with hash -902688988, now seen corresponding path program 3 times [2022-11-19 07:48:55,390 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:55,390 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [478011520] [2022-11-19 07:48:55,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:55,390 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:55,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:56,145 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:56,145 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:56,145 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [478011520] [2022-11-19 07:48:56,145 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [478011520] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:56,145 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:56,146 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:48:56,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1796607436] [2022-11-19 07:48:56,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:56,146 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:48:56,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:56,147 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:48:56,147 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:48:56,147 INFO L87 Difference]: Start difference. First operand 355 states and 644 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:56,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:56,949 INFO L93 Difference]: Finished difference Result 479 states and 853 transitions. [2022-11-19 07:48:56,949 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:56,950 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:48:56,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:56,951 INFO L225 Difference]: With dead ends: 479 [2022-11-19 07:48:56,951 INFO L226 Difference]: Without dead ends: 457 [2022-11-19 07:48:56,952 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-11-19 07:48:56,952 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 124 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 617 mSolverCounterSat, 83 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 700 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 83 IncrementalHoareTripleChecker+Valid, 617 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:56,953 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 27 Invalid, 700 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [83 Valid, 617 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 07:48:56,954 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 457 states. [2022-11-19 07:48:56,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 457 to 366. [2022-11-19 07:48:56,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 366 states, 363 states have (on average 1.834710743801653) internal successors, (666), 365 states have internal predecessors, (666), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:56,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 366 states and 666 transitions. [2022-11-19 07:48:56,960 INFO L78 Accepts]: Start accepts. Automaton has 366 states and 666 transitions. Word has length 31 [2022-11-19 07:48:56,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:56,961 INFO L495 AbstractCegarLoop]: Abstraction has 366 states and 666 transitions. [2022-11-19 07:48:56,961 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:56,961 INFO L276 IsEmpty]: Start isEmpty. Operand 366 states and 666 transitions. [2022-11-19 07:48:56,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:48:56,962 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:56,962 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:56,962 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2022-11-19 07:48:56,962 INFO L420 AbstractCegarLoop]: === Iteration 33 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:56,963 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:56,963 INFO L85 PathProgramCache]: Analyzing trace with hash -36477194, now seen corresponding path program 4 times [2022-11-19 07:48:56,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:56,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937949477] [2022-11-19 07:48:56,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:56,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:56,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:57,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:57,685 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:57,685 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937949477] [2022-11-19 07:48:57,685 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937949477] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:57,685 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:57,685 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:48:57,685 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [220595428] [2022-11-19 07:48:57,686 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:57,686 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:48:57,686 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:57,686 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:48:57,686 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:48:57,687 INFO L87 Difference]: Start difference. First operand 366 states and 666 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:58,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:48:58,577 INFO L93 Difference]: Finished difference Result 528 states and 948 transitions. [2022-11-19 07:48:58,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:48:58,578 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:48:58,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:48:58,579 INFO L225 Difference]: With dead ends: 528 [2022-11-19 07:48:58,579 INFO L226 Difference]: Without dead ends: 505 [2022-11-19 07:48:58,579 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2022-11-19 07:48:58,580 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 127 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 728 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2022-11-19 07:48:58,580 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 27 Invalid, 728 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2022-11-19 07:48:58,582 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2022-11-19 07:48:58,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 377. [2022-11-19 07:48:58,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 377 states, 374 states have (on average 1.839572192513369) internal successors, (688), 376 states have internal predecessors, (688), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:58,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 377 states and 688 transitions. [2022-11-19 07:48:58,599 INFO L78 Accepts]: Start accepts. Automaton has 377 states and 688 transitions. Word has length 31 [2022-11-19 07:48:58,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:48:58,600 INFO L495 AbstractCegarLoop]: Abstraction has 377 states and 688 transitions. [2022-11-19 07:48:58,600 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:48:58,600 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 688 transitions. [2022-11-19 07:48:58,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:48:58,602 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:48:58,602 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:48:58,602 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2022-11-19 07:48:58,603 INFO L420 AbstractCegarLoop]: === Iteration 34 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:48:58,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:48:58,606 INFO L85 PathProgramCache]: Analyzing trace with hash 1666459782, now seen corresponding path program 5 times [2022-11-19 07:48:58,606 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:48:58,606 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023031865] [2022-11-19 07:48:58,606 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:48:58,607 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:48:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:48:59,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:48:59,412 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:48:59,412 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023031865] [2022-11-19 07:48:59,412 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023031865] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:48:59,412 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:48:59,413 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:48:59,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [425260583] [2022-11-19 07:48:59,413 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:48:59,413 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:48:59,413 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:48:59,414 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:48:59,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:48:59,414 INFO L87 Difference]: Start difference. First operand 377 states and 688 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:00,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:00,235 INFO L93 Difference]: Finished difference Result 717 states and 1308 transitions. [2022-11-19 07:49:00,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2022-11-19 07:49:00,236 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:49:00,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:00,237 INFO L225 Difference]: With dead ends: 717 [2022-11-19 07:49:00,237 INFO L226 Difference]: Without dead ends: 694 [2022-11-19 07:49:00,238 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=210, Unknown=0, NotChecked=0, Total=306 [2022-11-19 07:49:00,239 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 160 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 607 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 160 SdHoareTripleChecker+Valid, 18 SdHoareTripleChecker+Invalid, 671 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 607 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:00,240 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [160 Valid, 18 Invalid, 671 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 607 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2022-11-19 07:49:00,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 694 states. [2022-11-19 07:49:00,249 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 694 to 465. [2022-11-19 07:49:00,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 465 states, 462 states have (on average 1.87012987012987) internal successors, (864), 464 states have internal predecessors, (864), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:00,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 864 transitions. [2022-11-19 07:49:00,252 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 864 transitions. Word has length 31 [2022-11-19 07:49:00,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:00,252 INFO L495 AbstractCegarLoop]: Abstraction has 465 states and 864 transitions. [2022-11-19 07:49:00,253 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:00,253 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 864 transitions. [2022-11-19 07:49:00,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:49:00,254 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:00,255 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:49:00,255 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2022-11-19 07:49:00,255 INFO L420 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:49:00,255 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:00,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1054348234, now seen corresponding path program 1 times [2022-11-19 07:49:00,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:00,256 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [442066226] [2022-11-19 07:49:00,256 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:00,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:00,661 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:00,661 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:00,661 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [442066226] [2022-11-19 07:49:00,661 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [442066226] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:00,661 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:00,661 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 07:49:00,661 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [867418198] [2022-11-19 07:49:00,662 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:00,662 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 07:49:00,662 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:00,662 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 07:49:00,663 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:49:00,663 INFO L87 Difference]: Start difference. First operand 465 states and 864 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:00,996 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:00,996 INFO L93 Difference]: Finished difference Result 517 states and 950 transitions. [2022-11-19 07:49:00,997 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:49:00,997 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:49:00,997 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:00,998 INFO L225 Difference]: With dead ends: 517 [2022-11-19 07:49:00,998 INFO L226 Difference]: Without dead ends: 273 [2022-11-19 07:49:00,998 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=67, Invalid=115, Unknown=0, NotChecked=0, Total=182 [2022-11-19 07:49:00,999 INFO L413 NwaCegarLoop]: 18 mSDtfsCounter, 88 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 262 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 308 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 262 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:00,999 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 27 Invalid, 308 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 262 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2022-11-19 07:49:01,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2022-11-19 07:49:01,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 257. [2022-11-19 07:49:01,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 257 states, 255 states have (on average 1.780392156862745) internal successors, (454), 256 states have internal predecessors, (454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:01,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 257 states to 257 states and 454 transitions. [2022-11-19 07:49:01,004 INFO L78 Accepts]: Start accepts. Automaton has 257 states and 454 transitions. Word has length 31 [2022-11-19 07:49:01,004 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:01,004 INFO L495 AbstractCegarLoop]: Abstraction has 257 states and 454 transitions. [2022-11-19 07:49:01,004 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:01,004 INFO L276 IsEmpty]: Start isEmpty. Operand 257 states and 454 transitions. [2022-11-19 07:49:01,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:49:01,005 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:01,005 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:49:01,005 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2022-11-19 07:49:01,005 INFO L420 AbstractCegarLoop]: === Iteration 36 === Targeting t_funErr1ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:49:01,006 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:01,006 INFO L85 PathProgramCache]: Analyzing trace with hash -250525802, now seen corresponding path program 6 times [2022-11-19 07:49:01,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:01,006 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [923658781] [2022-11-19 07:49:01,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:01,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:01,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:01,472 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:01,473 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:01,473 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [923658781] [2022-11-19 07:49:01,473 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [923658781] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:01,473 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:01,474 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2022-11-19 07:49:01,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378799322] [2022-11-19 07:49:01,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:01,474 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2022-11-19 07:49:01,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:01,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2022-11-19 07:49:01,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2022-11-19 07:49:01,475 INFO L87 Difference]: Start difference. First operand 257 states and 454 transitions. Second operand has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:02,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:02,011 INFO L93 Difference]: Finished difference Result 252 states and 445 transitions. [2022-11-19 07:49:02,012 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:49:02,012 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:49:02,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:02,012 INFO L225 Difference]: With dead ends: 252 [2022-11-19 07:49:02,012 INFO L226 Difference]: Without dead ends: 84 [2022-11-19 07:49:02,013 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=87, Invalid=185, Unknown=0, NotChecked=0, Total=272 [2022-11-19 07:49:02,013 INFO L413 NwaCegarLoop]: 0 mSDtfsCounter, 113 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 472 mSolverCounterSat, 56 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 56 IncrementalHoareTripleChecker+Valid, 472 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:02,013 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 0 Invalid, 528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [56 Valid, 472 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2022-11-19 07:49:02,014 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2022-11-19 07:49:02,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 84. [2022-11-19 07:49:02,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 84 states, 83 states have (on average 1.5662650602409638) internal successors, (130), 83 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:02,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 130 transitions. [2022-11-19 07:49:02,016 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 130 transitions. Word has length 31 [2022-11-19 07:49:02,016 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:02,016 INFO L495 AbstractCegarLoop]: Abstraction has 84 states and 130 transitions. [2022-11-19 07:49:02,016 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 3.1) internal successors, (31), 10 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:02,017 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 130 transitions. [2022-11-19 07:49:02,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:49:02,017 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:02,017 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:49:02,017 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35 [2022-11-19 07:49:02,017 INFO L420 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:49:02,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:02,018 INFO L85 PathProgramCache]: Analyzing trace with hash 962748672, now seen corresponding path program 2 times [2022-11-19 07:49:02,018 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:02,018 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [117112140] [2022-11-19 07:49:02,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:02,019 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:02,522 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:02,523 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:02,523 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [117112140] [2022-11-19 07:49:02,523 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [117112140] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:02,523 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:02,523 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 07:49:02,523 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [311578740] [2022-11-19 07:49:02,524 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:02,524 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 07:49:02,524 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:02,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 07:49:02,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:49:02,525 INFO L87 Difference]: Start difference. First operand 84 states and 130 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:02,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:02,832 INFO L93 Difference]: Finished difference Result 98 states and 143 transitions. [2022-11-19 07:49:02,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:49:02,832 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:49:02,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:02,833 INFO L225 Difference]: With dead ends: 98 [2022-11-19 07:49:02,833 INFO L226 Difference]: Without dead ends: 83 [2022-11-19 07:49:02,833 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2022-11-19 07:49:02,834 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 45 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 231 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 265 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 231 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:02,834 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 12 Invalid, 265 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 231 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:49:02,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2022-11-19 07:49:02,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2022-11-19 07:49:02,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 82 states have (on average 1.5609756097560976) internal successors, (128), 82 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:02,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 128 transitions. [2022-11-19 07:49:02,836 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 128 transitions. Word has length 31 [2022-11-19 07:49:02,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:02,837 INFO L495 AbstractCegarLoop]: Abstraction has 83 states and 128 transitions. [2022-11-19 07:49:02,837 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:02,837 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 128 transitions. [2022-11-19 07:49:02,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:49:02,837 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:02,837 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:49:02,837 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable36 [2022-11-19 07:49:02,838 INFO L420 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:49:02,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:02,838 INFO L85 PathProgramCache]: Analyzing trace with hash 728142840, now seen corresponding path program 3 times [2022-11-19 07:49:02,838 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:02,838 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [988639564] [2022-11-19 07:49:02,838 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:02,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:02,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:03,331 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:03,331 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:03,331 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [988639564] [2022-11-19 07:49:03,331 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [988639564] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:03,331 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:03,331 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 07:49:03,332 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1918257702] [2022-11-19 07:49:03,332 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:03,332 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 07:49:03,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:03,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 07:49:03,333 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:49:03,333 INFO L87 Difference]: Start difference. First operand 83 states and 128 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:03,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:03,739 INFO L93 Difference]: Finished difference Result 111 states and 168 transitions. [2022-11-19 07:49:03,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2022-11-19 07:49:03,739 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:49:03,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:03,740 INFO L225 Difference]: With dead ends: 111 [2022-11-19 07:49:03,740 INFO L226 Difference]: Without dead ends: 82 [2022-11-19 07:49:03,740 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2022-11-19 07:49:03,741 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 359 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:03,741 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 12 Invalid, 359 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:49:03,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2022-11-19 07:49:03,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2022-11-19 07:49:03,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 81 states have (on average 1.5555555555555556) internal successors, (126), 81 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:03,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 126 transitions. [2022-11-19 07:49:03,744 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 126 transitions. Word has length 31 [2022-11-19 07:49:03,744 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:03,745 INFO L495 AbstractCegarLoop]: Abstraction has 82 states and 126 transitions. [2022-11-19 07:49:03,745 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:03,745 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 126 transitions. [2022-11-19 07:49:03,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:49:03,746 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:03,746 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:49:03,746 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable37 [2022-11-19 07:49:03,746 INFO L420 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:49:03,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:03,747 INFO L85 PathProgramCache]: Analyzing trace with hash -1827184930, now seen corresponding path program 4 times [2022-11-19 07:49:03,747 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:03,747 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [144780019] [2022-11-19 07:49:03,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:03,748 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:03,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:04,241 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:04,241 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:04,242 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [144780019] [2022-11-19 07:49:04,242 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [144780019] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:04,242 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:04,242 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 07:49:04,242 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2065187161] [2022-11-19 07:49:04,243 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:04,243 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 07:49:04,243 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:04,244 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 07:49:04,244 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=50, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:49:04,244 INFO L87 Difference]: Start difference. First operand 82 states and 126 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:04,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:04,610 INFO L93 Difference]: Finished difference Result 124 states and 193 transitions. [2022-11-19 07:49:04,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:49:04,610 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:49:04,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:04,611 INFO L225 Difference]: With dead ends: 124 [2022-11-19 07:49:04,611 INFO L226 Difference]: Without dead ends: 81 [2022-11-19 07:49:04,611 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=85, Unknown=0, NotChecked=0, Total=132 [2022-11-19 07:49:04,612 INFO L413 NwaCegarLoop]: 12 mSDtfsCounter, 43 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 258 mSolverCounterSat, 59 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 12 SdHoareTripleChecker+Invalid, 317 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 59 IncrementalHoareTripleChecker+Valid, 258 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:04,612 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 12 Invalid, 317 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [59 Valid, 258 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:49:04,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2022-11-19 07:49:04,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2022-11-19 07:49:04,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 80 states have (on average 1.55) internal successors, (124), 80 states have internal predecessors, (124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:04,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 124 transitions. [2022-11-19 07:49:04,615 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 124 transitions. Word has length 31 [2022-11-19 07:49:04,615 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:04,615 INFO L495 AbstractCegarLoop]: Abstraction has 81 states and 124 transitions. [2022-11-19 07:49:04,615 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:04,615 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 124 transitions. [2022-11-19 07:49:04,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2022-11-19 07:49:04,615 INFO L187 NwaCegarLoop]: Found error trace [2022-11-19 07:49:04,616 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-19 07:49:04,616 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable38 [2022-11-19 07:49:04,616 INFO L420 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE === [ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE, ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (and 5 more)] === [2022-11-19 07:49:04,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-19 07:49:04,616 INFO L85 PathProgramCache]: Analyzing trace with hash -672974, now seen corresponding path program 5 times [2022-11-19 07:49:04,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2022-11-19 07:49:04,617 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576228669] [2022-11-19 07:49:04,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-19 07:49:04,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-19 07:49:04,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-19 07:49:05,081 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-19 07:49:05,082 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2022-11-19 07:49:05,082 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576228669] [2022-11-19 07:49:05,082 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576228669] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-19 07:49:05,082 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-19 07:49:05,082 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2022-11-19 07:49:05,082 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [191017406] [2022-11-19 07:49:05,083 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-19 07:49:05,083 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2022-11-19 07:49:05,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2022-11-19 07:49:05,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-19 07:49:05,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2022-11-19 07:49:05,083 INFO L87 Difference]: Start difference. First operand 81 states and 124 transitions. Second operand has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:05,415 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-19 07:49:05,415 INFO L93 Difference]: Finished difference Result 75 states and 113 transitions. [2022-11-19 07:49:05,416 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2022-11-19 07:49:05,416 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 31 [2022-11-19 07:49:05,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2022-11-19 07:49:05,416 INFO L225 Difference]: With dead ends: 75 [2022-11-19 07:49:05,417 INFO L226 Difference]: Without dead ends: 0 [2022-11-19 07:49:05,417 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=100, Unknown=0, NotChecked=0, Total=156 [2022-11-19 07:49:05,417 INFO L413 NwaCegarLoop]: 9 mSDtfsCounter, 44 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 234 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 9 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 234 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2022-11-19 07:49:05,418 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 9 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 234 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2022-11-19 07:49:05,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2022-11-19 07:49:05,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2022-11-19 07:49:05,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:05,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2022-11-19 07:49:05,419 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 31 [2022-11-19 07:49:05,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2022-11-19 07:49:05,419 INFO L495 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-19 07:49:05,419 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 3.875) internal successors, (31), 8 states have internal predecessors, (31), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-19 07:49:05,419 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2022-11-19 07:49:05,419 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2022-11-19 07:49:05,422 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONDATA_RACE (7 of 8 remaining) [2022-11-19 07:49:05,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONDATA_RACE (6 of 8 remaining) [2022-11-19 07:49:05,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONDATA_RACE (5 of 8 remaining) [2022-11-19 07:49:05,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0INUSE_VIOLATIONSUFFICIENT_THREAD_INSTANCES (4 of 8 remaining) [2022-11-19 07:49:05,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (3 of 8 remaining) [2022-11-19 07:49:05,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (2 of 8 remaining) [2022-11-19 07:49:05,423 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr0ASSERT_VIOLATIONDATA_RACE (1 of 8 remaining) [2022-11-19 07:49:05,424 INFO L805 garLoopResultBuilder]: Registering result SAFE for location t_funErr1ASSERT_VIOLATIONDATA_RACE (0 of 8 remaining) [2022-11-19 07:49:05,424 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable39 [2022-11-19 07:49:05,426 INFO L444 BasicCegarLoop]: Path program histogram: [6, 6, 6, 6, 6, 5, 1, 1, 1, 1, 1] [2022-11-19 07:49:05,432 INFO L228 ceAbstractionStarter]: Analysis of concurrent program completed with 1 thread instances [2022-11-19 07:49:05,432 INFO L178 ceAbstractionStarter]: Computing trace abstraction results [2022-11-19 07:49:05,435 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:49:05 BasicIcfg [2022-11-19 07:49:05,435 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2022-11-19 07:49:05,436 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-19 07:49:05,436 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-19 07:49:05,436 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-19 07:49:05,437 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:48:16" (3/4) ... [2022-11-19 07:49:05,440 INFO L137 WitnessPrinter]: Generating witness for correct program [2022-11-19 07:49:05,447 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure t_fun [2022-11-19 07:49:05,453 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2022-11-19 07:49:05,453 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2022-11-19 07:49:05,453 INFO L915 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2022-11-19 07:49:05,491 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/witness.graphml [2022-11-19 07:49:05,492 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-19 07:49:05,492 INFO L158 Benchmark]: Toolchain (without parser) took 50340.01ms. Allocated memory was 94.4MB in the beginning and 325.1MB in the end (delta: 230.7MB). Free memory was 55.8MB in the beginning and 122.0MB in the end (delta: -66.2MB). Peak memory consumption was 163.9MB. Max. memory is 16.1GB. [2022-11-19 07:49:05,493 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-19 07:49:05,493 INFO L158 Benchmark]: CACSL2BoogieTranslator took 789.81ms. Allocated memory is still 94.4MB. Free memory was 55.6MB in the beginning and 54.8MB in the end (delta: 777.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-19 07:49:05,494 INFO L158 Benchmark]: Boogie Procedure Inliner took 60.91ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 52.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:49:05,494 INFO L158 Benchmark]: Boogie Preprocessor took 34.40ms. Allocated memory is still 94.4MB. Free memory was 52.0MB in the beginning and 50.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-19 07:49:05,494 INFO L158 Benchmark]: RCFGBuilder took 681.50ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 50.2MB in the beginning and 100.3MB in the end (delta: -50.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. [2022-11-19 07:49:05,495 INFO L158 Benchmark]: TraceAbstraction took 48710.13ms. Allocated memory was 125.8MB in the beginning and 325.1MB in the end (delta: 199.2MB). Free memory was 99.4MB in the beginning and 125.2MB in the end (delta: -25.8MB). Peak memory consumption was 173.4MB. Max. memory is 16.1GB. [2022-11-19 07:49:05,495 INFO L158 Benchmark]: Witness Printer took 55.81ms. Allocated memory is still 325.1MB. Free memory was 125.2MB in the beginning and 122.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2022-11-19 07:49:05,497 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 94.4MB. Free memory is still 74.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 789.81ms. Allocated memory is still 94.4MB. Free memory was 55.6MB in the beginning and 54.8MB in the end (delta: 777.7kB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 60.91ms. Allocated memory is still 94.4MB. Free memory was 54.8MB in the beginning and 52.0MB in the end (delta: 2.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 34.40ms. Allocated memory is still 94.4MB. Free memory was 52.0MB in the beginning and 50.2MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 681.50ms. Allocated memory was 94.4MB in the beginning and 125.8MB in the end (delta: 31.5MB). Free memory was 50.2MB in the beginning and 100.3MB in the end (delta: -50.2MB). Peak memory consumption was 19.5MB. Max. memory is 16.1GB. * TraceAbstraction took 48710.13ms. Allocated memory was 125.8MB in the beginning and 325.1MB in the end (delta: 199.2MB). Free memory was 99.4MB in the beginning and 125.2MB in the end (delta: -25.8MB). Peak memory consumption was 173.4MB. Max. memory is 16.1GB. * Witness Printer took 55.81ms. Allocated memory is still 325.1MB. Free memory was 125.2MB in the beginning and 122.0MB in the end (delta: 3.1MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: PetriNetLargeBlockEncoding benchmarks Lipton Reduction Statistics: ReductionTime: 4.4s, 110 PlacesBefore, 48 PlacesAfterwards, 106 TransitionsBefore, 44 TransitionsAfterwards, 2030 CoEnabledTransitionPairs, 6 FixpointIterations, 37 TrivialSequentialCompositions, 25 ConcurrentSequentialCompositions, 0 TrivialYvCompositions, 0 ConcurrentYvCompositions, 0 ChoiceCompositions, 62 TotalNumberOfCompositions, 11542 MoverChecksTotal, Independence Relation Statistics: CachedIndependenceRelation.Independence Queries: [ total: 3030, independent: 2520, independent conditional: 0, independent unconditional: 2520, dependent: 510, dependent conditional: 0, dependent unconditional: 510, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , CachedIndependenceRelation.Statistics on underlying relation: UnionIndependenceRelation.Independence Queries: [ total: 1284, independent: 1186, independent conditional: 0, independent unconditional: 1186, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , UnionIndependenceRelation.Statistics on underlying relations: [ SyntacticIndependenceRelation.Independence Queries: [ total: 1284, independent: 1103, independent conditional: 0, independent unconditional: 1103, dependent: 181, dependent conditional: 0, dependent unconditional: 181, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Independence Queries: [ total: 181, independent: 83, independent conditional: 0, independent unconditional: 83, dependent: 98, dependent conditional: 0, dependent unconditional: 98, unknown: 0, unknown conditional: 0, unknown unconditional: 0] , SemanticIndependenceRelation.Query Time [ms]: [ total: 634, independent: 256, independent conditional: 0, independent unconditional: 256, dependent: 378, dependent conditional: 0, dependent unconditional: 378, unknown: 0, unknown conditional: 0, unknown unconditional: 0] ], Cache Queries: [ total: 3030, independent: 1334, independent conditional: 0, independent unconditional: 1334, dependent: 412, dependent conditional: 0, dependent unconditional: 412, unknown: 1284, unknown conditional: 0, unknown unconditional: 1284] , Statistics on independence cache: Total cache size (in pairs): 380, Positive cache size: 297, Positive conditional cache size: 0, Positive unconditional cache size: 297, Negative cache size: 83, Negative conditional cache size: 0, Negative unconditional cache size: 83, Unknown cache size: 0, Unknown conditional cache size: 0, Unknown unconditional cache size: 0 - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 934]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - PositiveResult [Line: 923]: there are no data races For all program executions holds that there are no data races at this location - StatisticsResult: Ultimate Automizer benchmark data with 1 thread instances CFG has 3 procedures, 138 locations, 8 error locations. Started 1 CEGAR loops. OverallTime: 48.5s, OverallIterations: 40, TraceHistogramMax: 1, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.1s, AutomataDifference: 25.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 4.6s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 4789 SdHoareTripleChecker+Valid, 20.5s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 4789 mSDsluCounter, 1280 SdHoareTripleChecker+Invalid, 17.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 389 mSDsCounter, 2199 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 19852 IncrementalHoareTripleChecker+Invalid, 22051 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2199 mSolverCounterUnsat, 891 mSDtfsCounter, 19852 mSolverCounterSat, 0.2s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 635 GetRequests, 98 SyntacticMatches, 0 SemanticMatches, 537 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 797 ImplicationChecksByTransitivity, 7.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=825occurred in iteration=14, InterpolantAutomatonStates: 381, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 40 MinimizatonAttempts, 5453 StatesRemovedByMinimization, 35 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 843 NumberOfCodeBlocks, 843 NumberOfCodeBlocksAsserted, 40 NumberOfCheckSat, 803 ConstructedInterpolants, 0 QuantifiedInterpolants, 15074 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 40 InterpolantComputations, 40 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 5 specifications checked. All of them hold RESULT: Ultimate proved your program to be correct! [2022-11-19 07:49:05,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_cc25c146-fa14-4df8-a2ec-1289a72733c9/bin/utaipan-I9t0OCRTmS/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE